Updated API (markdown)

API.md

@@ -85,4 +85,18 @@ If you prefer use command line options instead of config file, you can use optio
         "error_log": []
     }
 }
+```
+
+NVIDIA miner has equal API, with additional GPU health information.
+```json
+"health": [
+    {
+        "name": "GeForce GTX 1050 Ti",
+        "clock": 1721,
+        "mem_clock": 3504,
+        "power": 46,
+        "temp": 60,
+        "fan": 41
+    }
+],
 ```